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40550124140 = 225171916693761
BaseRepresentation
bin100101110000111110…
…011100101001101100
310212200000012201221122
4211300332130221230
51131021312433030
630343425520112
72633604240161
oct456076345154
9125600181848
1040550124140
1116219540499
127a381a3038
133a930373c6
141d69690068
1510c4e518e5
hex970f9ca6c

40550124140 has 96 divisors (see below), whose sum is σ = 94992004800. Its totient is φ = 14449950720.

The previous prime is 40550124119. The next prime is 40550124143. The reversal of 40550124140 is 4142105504.

It is not an unprimeable number, because it can be changed into a prime (40550124143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10779860 + ... + 10783620.

It is an arithmetic number, because the mean of its divisors is an integer number (989500050).

Almost surely, 240550124140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40550124140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47496002400).

40550124140 is an abundant number, since it is smaller than the sum of its proper divisors (54441880660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40550124140 is a wasteful number, since it uses less digits than its factorization.

40550124140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5475 (or 5473 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 40550124140 its reverse (4142105504), we get a palindrome (44692229644).

The spelling of 40550124140 in words is "forty billion, five hundred fifty million, one hundred twenty-four thousand, one hundred forty".

Divisors: 1 2 4 5 10 17 19 20 34 38 68 76 85 95 170 190 323 340 380 646 1292 1615 1669 3230 3338 3761 6460 6676 7522 8345 15044 16690 18805 28373 31711 33380 37610 56746 63422 63937 71459 75220 113492 126844 127874 141865 142918 158555 255748 283730 285836 317110 319685 357295 539087 567460 634220 639370 714590 1078174 1214803 1278740 1429180 2156348 2429606 2695435 4859212 5390870 6074015 6277109 10781740 12148030 12554218 24296060 25108436 31385545 62771090 106710853 119265071 125542180 213421706 238530142 426843412 477060284 533554265 596325355 1067108530 1192650710 2027506207 2134217060 2385301420 4055012414 8110024828 10137531035 20275062070 40550124140